Day: September 22, 2020

SQL tutorials for Business Analyst – SQL | UNIONS CLAUSE

Hits: 35 (SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | UNIONS CLAUSE.   The SQL UNION clause/operator is used to combine the results of two or more SELECT statements without returning any duplicate rows. To use this UNION clause, each SELECT …

SQL tutorials for Business Analyst – SQL | CARTESIAN or CROSS JOINS

Hits: 15 (SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | CARTESIAN or CROSS JOINS.   The CARTESIAN JOIN or CROSS JOIN returns the Cartesian product of the sets of records from two or more joined tables. Thus, it equates to an …

SQL tutorials for Business Analyst – SQL | SELF JOINS

Hits: 12 (SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | SELF JOINS.   The SQL SELF JOIN is used to join a table to itself as if the table were two tables; temporarily renaming at least one table in the SQL statement. Syntax …

SQL tutorials for Business Analyst – SQL | FULL JOINS

Hits: 10 (SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | FULL JOINS.   The SQL FULL JOIN combines the results of both left and right outer joins. The joined table will contain all records from both the tables and fill in NULLs for …

SQL tutorials for Business Analyst – SQL | RIGHT JOINS

Hits: 9 (SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | RIGHT JOINS.   The SQL RIGHT JOIN returns all rows from the right table, even if there are no matches in the left table. This means that if the ON clause matches 0 …

SQL tutorials for Business Analyst – SQL | LEFT JOINS

Hits: 20 (SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | LEFT JOINS.   The SQL LEFT JOIN returns all rows from the left table, even if there are no matches in the right table. This means that if the ON clause matches 0 …